Imagine a source of engaging elearning content that you dont have to write – nor do you have to go searching for creative-commons images to spruce up your centent. http://www.qwiki.com has done it all for you. expand »
It seems to use content from sources like wikipedia and various image sources to automatically create an audio-visual presentation on thousands of topics.
It also has the ability to customize and improve the presentation as you can suggest images and changes to the text or pronounciation.
Try http://www.qwiki.com/q/#!/Groundhog_Day as a start and then go explore your favourite topics !